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OpenStudy (anonymous):
what is f(-3) if f(x)=/2x+1/+5
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OpenStudy (anonymous):
2(3) + 1 + 5 = 12
OpenStudy (anonymous):
\[f(x)=\left| 2x+1 \right|+5\]
OpenStudy (anonymous):
^^^
OpenStudy (anonymous):
oh, so you plug in the -3 in the equation for x?
OpenStudy (anonymous):
yeah and the |absolute value| lines will always make your answer positive
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OpenStudy (anonymous):
I see. haha that was really simple, I kinda feel lame now for not knowing how to do it. Thank you though.
OpenStudy (anonymous):
Hahah no problem it happens
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